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Finding the Fourth Proportional to 552, 761.92 and 365.52

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Solution

The fourth proportional to 552, 761.92 and 365.52 is: 504.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    552 : 761.92 = 365.52 : x
  2. Step 2: Convert to fraction form
    552/761.92 = 365.52/x
  3. Step 3: Cross multiply
    552x = 761.92 × 365.52
  4. Step 4: Simplify right side
    552x = 278,497.00
  5. Step 5: Solve for x
    x = 278,497.00/552
  6. Step 6: Final answer
    x = 504.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.